setAttribute 增加標籤屬性. 透過JavaScript 增加HTML 標籤屬性，例如要動態加上一個 a 連結，可以這樣寫： 先在HTML 新增一個class， ... ... <看更多>

It notes that HTMLElement objects of a HTML doc define JS properties that correspond to all standard HTML attributes. So you only need to use setAttribute for ... ... <看更多>

Use the setAttribute() to set the value of an attribute on a specified element. · Setting the value of a Boolean attribute to whatever value, that value will be ... ... <看更多>

<h2> tests using setAttribute() method </h2>. <div>. <input id="p" value="setAttribute() Test">. <button id="csa"> Clear value using setAttribute() method ... ... <看更多>